Giant Panda was first found in Sichuan, and Sichuan has the largest number of giant pandas. 85% of the world's giant pandas inhabit in mountains in the northwest of Sichuan. China has 19 natural reserves, 17 of which are in Sichuan. Thus, Sichuan is called the hometown of giant panda. The habitat of Panda was declared a UNESCO World Heritage site in 2006.